Jesters feet
The involuntary curling upwards of the toes when an orgasm is approaching, usually during masturbation.
She knew it would not be long before she would be covered in his baby-batter, as she noticed the onset of Jesters feet.
Jester Feet
The curling of ones toes at the point of orgasmic climax, thus replicating the turned up shoes of a court jester.
Scott: Did you give the missus one last night?
Nick: Oh yeah, Sammy rode me hard and good and gave me jester feet!
Nick: Oh yeah, Sammy rode me hard and good and gave me jester feet!